package com.yundin.mapper;
import com.yundin.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;
import java.util.List;
@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);
/**
 * 更新商品数量
 *
 * @param shoppingCart
 */
@Update("update shopping_cart set number = #{number} where id = #{id}")
void updateNumberById(ShoppingCart shoppingCart);
/**
 * 插入购物车数据
 *
 * @param shoppingCart
 */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values " + "(#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id删除购物车数据
     *
     * @paramuserId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long currentId);

    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);
}